* {
    padding: 0;
    margin: 0;
}

a {
    text-decoration: none;
    color: blue;
}

#one {
    padding-top: 10px;
    font-size: 24px;
}

#two {
    margin: 10px;
    font-size: 14px;
    width: 150px;
    display: flex;
    justify-content: space-between;
}

table {
    width: 100%;
    border: 1px solid black;
    table-layout: fixed;
    border-collapse: collapse;
    text-align: center;
    box-sizing: border-box;
}

caption {
    font-size: 34px;
    font-weight: bolder;
}

#add {
    width: 90px;
    height: 40px;
    border-radius: 5px;
    border: none;
    position: absolute;
    top: 50px;
    right: 20px;
    background-color: aqua;
}

th {
    height: 60px;
    background-color: chartreuse;
}

td {
    border: 1px solid black;
    height: 45px;
}

#sure,
.delete {
    background-color: crimson;
    color: #ffffff;
}

button {
    width: 40px;
    height: 30px;
    border-radius: 5px;
    border: none;
}

button:hover {
    cursor: pointer;
}

#tip {
    display: none;
    width: 300px;
    height: 200px;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-color: whitesmoke;
    z-index: 101;
}

#tip p {
    margin-top: 50px;
    text-align: center;
}

#tip div {
    margin-top: 70px;
    display: flex;
    justify-content: space-around
}

#addTip {
    display: none;
    width: 600px;
    height: 400px;
    border-radius: 10px;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-color: #776eeb;
    z-index: 101;
}

#addTip h2 {
    margin: 30px 0 30px 60px;
}

#addTip p {
    margin: 30px 0 30px 60px;
}

#error {
    width: 100px;
    height: 30px;
    border: 1px solid black;
    color: #ffffff;
    border-radius: 4px;
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-color: gray;
    display: none;
    text-align: center;
    line-height: 30px;
    z-index: 122;
}

input {
    border: 1px solid #cc0000;
}

#amend,
#back {
    margin-left: 110px;
}

#maskLayer {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 50;
    display: none;
}